名词
中文翻译：鞋底
同义词：
['sock', 'sole', 'insole例句：1. The shoes have a thick undersole to provide extra support.（这双鞋有厚厚的鞋垫来提供额外的支撑。）2. He put on his new shoes and stepped onto the hard floor.（他穿上了新鞋，踏上硬地板。）']
例句：
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1. The shoes have a thick undersole to provide extra support.
这双鞋有厚厚的鞋垫来提供额外的支撑。
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2. He put on his new shoes and stepped onto the hard floor.
他穿上了新鞋，踏上硬地板。
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3.She carefully inspected the undersole of her shoes for any signs of wear.
她仔细检查了鞋子的鞋垫，看是否有磨损的迹象。